Communication Research
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Difference between r1.1 and the current
@@ -1 +1,6 @@
attachment:"2012
아주대
정보통신대학
_
0808.pdf"
$=
\sqrt{\frac{S_p^2}{n_a}
+ \frac{S
_
p^2}{n_b}}$
$= \frac{SS_a+SS_b}{df_a+df_b}$
$=\sqrt{\frac{\sigma^2}{n}}$
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